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Markham Real Estate
Markham is located in Illinois. Markham, Illinois has a population of 12,382. Markham is more family-centric than the surrounding county with 34% of the households containing married families with children. The county average for households married with children is 28%.
The median household income in Markham, Illinois is $31,337. The median household income for the surrounding county is $49,964 compared to the national median of $49,877. The median age of people living in Markham is 34.8 years.
The average high temperature in July is 83.7 degrees, with an average low temperature in January of 14.8 degrees. The average rainfall is approximately 38.65 inches per year, with inches of snow per year.
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